Alter
Alter is a Turkish independent engineering and consulting firm founded in 1975, providing multi-disciplinary infrastructure consulting across water, environment, rural development, transportation, buildings, disaster risk, and GIS/SCADA systems. It serves 100% government and development-bank clients across Turkey, Pakistan, Uzbekistan, and Bosnia and Herzegovina.
- Company typePrivate
- Founded1975
- HeadquartersÇankaya
- Headcount51–100
- GTM typeB2B
- OfferingServices
What Alter does
Alter Uluslararası Mühendislik ve Müşavirlik Hizmetleri A.Ş. is a Turkish independent engineering and consulting firm founded in May 1975 in Ankara by Atilla Özdikmen, currently led by Managing Partner Dide Özdikmen. The firm provides multi-disciplinary science and technology-based engineering and consulting services across eight interconnected service areas: water and environment, rural development, renewable energy, transportation, buildings, disaster risk management, GIS/MIS/SCADA information systems integration, and project management. Its core technology combines Geographic Information Systems, Management Information Systems, and SCADA infrastructure monitoring with dynamic hydraulic simulation modeling (pioneered on the 1994 Bursa Drinking Water project) for measurable sub-region formation and non-revenue water reduction.
Alter operates on a project-based professional services revenue model, generating fees through research, planning, design, project management, construction supervision, and advisory engagements. The firm is 100% business-to-government (B2G), serving Turkish state ministries, DSİ, İller Bankası, metropolitan municipalities, and district municipalities, alongside projects financed by the World Bank, ADB, AIIB, EIB, KfW, and EU IPA programs in Pakistan, Uzbekistan, Bosnia and Herzegovina, and now pursuing re-entry into Saudi Arabia and exploration of Syria. It holds EN ISO 9001:2000 certification and an A-Class Environmental Impact Assessment certificate from the Turkish Ministry of Environment. With 51-100 employees across eight offices (Ankara headquarters, four additional Turkish branches, and international offices in Sarajevo, Lahore, and Tashkent), Alter has delivered 458+ completed projects and maintains 45+ ongoing engagements over its 47+ year history.
Alter firmographics
Firmographics- Name
- Alter
- Legal name
- Alter Uluslararası Mühendislik ve Müşavirlik Hizmetleri A.Ş.
- Website
- https://alter.com.tr
- Company type
- Private
- Founded year
- 1975
- Operating status
- Operating
- Headcount range
- 51–100 employees
- Short description
- Alter is a Turkish independent engineering and consulting firm founded in 1975, providing multi-disciplinary infrastructure consulting across water, environment, rural development, transportation, buildings, disaster risk, and GIS/SCADA systems. It serves 100% government and development-bank clients across Turkey, Pakistan, Uzbekistan, and Bosnia and Herzegovina.
- Ownership category
- akta.pro rank
Alter industry classification
Industry- Product category
- Engineering Consulting Services
- NAICS
- Environmental Consulting Services (54162), Management Consulting Services (54161)
- SIC
- Services-Engineering Services (8711)
- akta.pro primary industry
- Water, Wastewater & Hydraulics Engineering Consulting (BPAHAIAD)
- akta.pro secondary industries
- Permitting, Siting & Environmental Impact (EIA/NEPA) Advisory (EUAMANAB), Climate Change Mitigation/Adaptation & Natural Resource Management Technical Assistance (BPADAEAJ)
Keywords
Where Alter is headquartered
LocationHeadquarters
- HQ city
- Çankaya
Offices8 records
Markets served
Alter business model
Business model- GTM type
- B2B
- Offering type
- Services
- Cost components
- Personnel, Operations, Technology or R&D, Marketing or Sales, Infrastructure
Revenue model
- Engineering and Consulting Services: ALTER generates revenue by providing multi-disciplinary engineering and consulting services on a project-by-project basis. Services span research, planning, design, project management, construction supervision, and advisory for infrastructure projects including water supply, sanitation, irrigation, dams, flood management, transportation, and buildings. Projects are typically commissioned by government entities and financed by international development banks (World Bank, ADB, AIIB, EIB, KfW) via FIDIC-contracted engagements.
Go-to-market motion1 record
Distribution channels2 records
Marketing channels4 records
Alter product offering
Product offeringCore offering
Alter is an independent engineering and consulting firm delivering multi-disciplinary infrastructure services across water resources, environment, rural development, renewable energy, transportation, buildings, and disaster risk management. The firm provides full-cycle services including research, planning, feasibility studies, design, project management, construction supervision, and institutional capacity building for government clients and international development bank-funded projects. Revenue is generated through project-based professional service fees negotiated under FIDIC-contracted engagements in Turkey and international markets.
Product overview
Alter is an independent engineering and consulting firm that produces science and technology-based solutions for complex, multi-disciplinary projects. The company offers eight interconnected service areas: Water and Environment (water resources, wastewater treatment, environmental management), Rural Development (agricultural planning, irrigation), Renewable Energy (hydroelectric, solar), Transportation (highways, railways, airports), Buildings (structural design, public facilities), Disaster Risk Management (vulnerability studies, flood management), Information Management Systems (GIS/MIS/SCADA), and Project Management. These services are delivered through integrated multi-disciplinary teams combining engineering, planning, social sciences, economics, and environmental expertise. The company primarily serves government institutions, municipalities, and international financing organizations across Turkey and neighboring countries.
Differentiator
Problem solved
Functional benefit
Products and services
- Water and Environment Engineering (Su ve Çevre) Engineering and consulting services for water resources development, basin management planning, flood protection, drought management, water supply and distribution systems, dams and reservoirs, water and wastewater treatment plants, wastewater and stormwater networks, infrastructure improvement, and environmental management for government and municipal clients.
- Rural Development (Kırsal Gelişim) Integrated planning, engineering, and management services for rural development including agricultural and land-use planning, soil conservation, water and soil resources development, water supply and sanitation, irrigation and drainage, and river rehabilitation for government and municipal clients.
- Renewable Energy (Yenilenebilir Enerji) Services focusing on renewable energy sources including hydraulic power, wind and biomass, as well as local and national energy planning for government clients and infrastructure developers.
- Transportation Engineering (Ulaşım) Transportation engineering services including provincial and state highways, railways, light rail systems, and airports, covering traffic studies, transportation planning, and engineering design for government clients.
- Buildings Engineering (Binalar) Engineering services for various building types including pump stations, maintenance and operation buildings, laboratory buildings, housing projects, public facilities, and structural/earthquake engineering integrated into the firm's structural engineering portfolio.
- Disaster Risk Management (Afet Risk Yönetimi) Multi-disciplinary services supporting the application of new technologies and methods for disaster risk management, including vulnerability studies, microzoning, strengthening, flood management, and drought management planning for government and public-sector clients.
- Information Management Systems / GIS/MIS/SCADA (Bilgi Yönetim Sistemleri) Information systems integration services including Geographic Information Systems (GIS), Management Information Systems (MIS), and Supervisory Control and Data Acquisition (SCADA) for online management systems and decision-maker support on infrastructure projects.
- Project Management (Proje Yönetimi) Project management services combining experience and knowledge with techniques for project timelines, cost control, and technical performance management for government, municipal, and development bank-funded infrastructure engagements.
Quantifiable outcome
- 458+ projects completed across Turkey and neighboring countries
- +3 more outcomes
Companies that use Alter
Customer profileNamed customers10 records
Segments2 records
Ideal customer profiles2 records
Alter technology and API
TechnologyTechnology focussed No
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Feature3 records
Alter partnerships and signals
Strategic signalPartnerships
Two partnerships are on record, tiered minor.
- Türk Dünyası Mühendisler ve Mimarlar Birliği (TDMMB)minorTDMMB organizes international business development missions and delegation programs for Turkish engineering and consulting firms. ALTER participated in the Damascus International Construction Fair and Business Development Mission (October 2025) organized by TDMMB with support from Hizmet İhracatçıları Birliği (HİB) and the Ministry of Trade. ALTER's General Coordinator Mehmet Dönmez represented the firm in Damascus.
- Republic of Turkey Trade Counselors in RiyadhminorTurkish Trade Counselors Hasan Murat Nesimoğlu and Mustafa İlker Özdem facilitated discussions with ALTER's Managing Partner Dide Özdikmen regarding collaboration and development opportunities in Saudi Arabia. The trade counselors provide guidance on local market dynamics and future prospects to support ALTER's re-entry into the Saudi Arabian market.
Scale indicators6 records
Recent moves8 records
Expansion highlights5 records
Alter competitors and assessment
Company assessmentBroad incumbents
- WSP Global Inc. Large global engineering professional services firm with extensive water, environment, and infrastructure practices; competes for the same MDB-funded master planning and supervision contracts across emerging markets.
- Tractebel Engineering (Engie): Belgium-based global engineering consultancy with strong water and environmental infrastructure practices, active on EIB and EU-funded projects in Turkey and the Balkans. Larger alternative for major MDB-funded supervision and design contracts.
- Mott MacDonald: Global engineering consultancy with deep expertise in water, environment, and transportation, frequently serving as lead consultant on World Bank, ADB, and EIB-funded projects that Alter bids on as a sub-consultant or partner.
- Egis Group: French-headquartered international engineering and consulting group with major water, environment, and transportation infrastructure practices, active on EU IPA and EIB-funded projects in the Balkans and Turkey's neighboring regions.
Emerging players
- WAPCOS Limited: Indian government-owned engineering consultancy providing water, environment, and infrastructure consulting across South Asia, Central Asia, and Africa. Comparable in scale and MDB-funded project mix; competes on ADB and World Bank tenders in overlapping geographies.
Direct peers
- ELC Group (ELC Engineering and Consulting): Turkish engineering consulting firm with international operations in water, environment, and infrastructure, frequently engaged on World Bank and EU-funded projects. Comparable in target clients and project types.
- Yüksel Proje Uluslararası A.Ş. Major Turkish engineering consulting firm providing multidisciplinary services in water, environment, transportation, and buildings with significant international project presence. Direct competitor for large MDB-funded infrastructure assignments.
- Temelsu International Engineering Services Inc. Turkish-headquartered engineering consulting firm delivering water resources, environmental, transportation, and hydraulic infrastructure projects across Turkey and internationally. Closest direct competitor given overlapping MDB-funded project portfolio and Turkish origin.
- Su-Yapı Mühendislik ve Müşavirlik A.Ş. Ankara-based Turkish engineering consultancy specializing in water supply, wastewater, irrigation, and dam projects for government and municipal clients. Comparable in service mix, client base, and competitive bidding on World Bank-funded tenders.
- DOLSAR Engineering Co. Ltd. Turkish engineering consultancy active in water resources, dams, irrigation, and environmental projects across Turkey and neighboring countries. Comparable regional scale and MDB-funded project profile.
Market position
Strengths4 records
Weaknesses5 records
Competitive moat4 records
Key risks5 records
Key highlights6 records
Customer concentration
Alter social profiles
Digital presenceAlter compliance and trust
Trust signalCompliance2 records
Alter financial estimates
Financial estimateRevenue estimate
Valuation estimate
Alter leadership team
Management profileNumber of profiles
Profiles8 records
Alter funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
Alter M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about Alter
What does Alter do?
Alter is an independent engineering and consulting firm delivering multi-disciplinary infrastructure services across water resources, environment, rural development, renewable energy, transportation, buildings, and disaster risk management. The firm provides full-cycle services including research, planning, feasibility studies, design, project management, construction supervision, and institutional capacity building for government clients and international development bank-funded projects. Revenue is generated through project-based professional service fees negotiated under FIDIC-contracted engagements in Turkey and international markets.
Is Alter a public or private company?
Alter is a private company. It is classified as founder individual operated bootstrapped and is currently operating.
When was Alter founded?
Alter was founded in 1975. It employs 51 to 100 people.
Where is Alter based?
Alter is headquartered in Çankaya.
How does Alter make money?
One revenue line is on record: engineering and Consulting Services.
Who are Alter's main competitors?
Broad incumbents on record are WSP Global Inc., Tractebel Engineering (Engie), Mott MacDonald and Egis Group. WAPCOS Limited is listed as an emerging player. Direct peers are ELC Group (ELC Engineering and Consulting), Yüksel Proje Uluslararası A.Ş., Temelsu International Engineering Services Inc., Su-Yapı Mühendislik ve Müşavirlik A.Ş. and DOLSAR Engineering Co. Ltd..
Does Alter have an API?
No public API is recorded for Alter.
What industry is Alter in?
Alter's product category is Engineering Consulting Services. Its primary akta.pro industry code is BPAHAIAD, Water, Wastewater & Hydraulics Engineering Consulting, with a secondary code of EUAMANAB, Permitting, Siting & Environmental Impact (EIA/NEPA) Advisory. Its NAICS code is 54162 and its SIC code is 8711.